编辑代码

let arr = [
    { id: 1, name: "abdulla", age: 25 },
    { id: 22, name: "abdu", age: 26 },
    { id: 3, name: "emet", age: 36 },
    { id: 22, name: "emet", age: 26 },
    { id: 22, name: "emet", age: 26 },
    { id: 22, name: "emet", age: 26 },
]

for (let i = 0; i < arr.length; i++) {
    for (let j = i + 1; j < arr.length; j++) {
        if (arr[j].id == arr[i].id) {
            arr.splice(j,1)
        }
    }
}

console.log(arr)